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Finding the Fourth Proportional to 540,063.40, 808,539.90 and 524,511.40

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Solution

The fourth proportional to 540,063.40, 808,539.90 and 524,511.40 is: 785,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,063.40 : 808,539.90 = 524,511.40 : x
  2. Step 2: Convert to fraction form
    540,063.40/808,539.90 = 524,511.40/x
  3. Step 3: Cross multiply
    540,063.40x = 808,539.90 × 524,511.40
  4. Step 4: Simplify right side
    540,063.40x = 424,088,394,904.86
  5. Step 5: Solve for x
    x = 424,088,394,904.86/540,063.40
  6. Step 6: Final answer
    x = 785,256.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.